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/*
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---|---|
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* FTDI FT232BM Device emulation
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*
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* Copyright (c) 2006 CodeSourcery.
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* Copyright (c) 2008 Samuel Thibault <samuel.thibault@ens-lyon.org>
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* Written by Paul Brook, reused for FTDI by Samuel Thibault
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*
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* This code is licenced under the LGPL.
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*/
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|
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#include "qemu-common.h" |
12 |
#include "qemu-error.h" |
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#include "usb.h" |
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#include "qemu-char.h" |
15 |
|
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//#define DEBUG_Serial
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|
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#ifdef DEBUG_Serial
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#define DPRINTF(fmt, ...) \
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do { printf("usb-serial: " fmt , ## __VA_ARGS__); } while (0) |
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#else
|
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#define DPRINTF(fmt, ...) do {} while(0) |
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#endif
|
24 |
|
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#define RECV_BUF 384 |
26 |
|
27 |
/* Commands */
|
28 |
#define FTDI_RESET 0 |
29 |
#define FTDI_SET_MDM_CTRL 1 |
30 |
#define FTDI_SET_FLOW_CTRL 2 |
31 |
#define FTDI_SET_BAUD 3 |
32 |
#define FTDI_SET_DATA 4 |
33 |
#define FTDI_GET_MDM_ST 5 |
34 |
#define FTDI_SET_EVENT_CHR 6 |
35 |
#define FTDI_SET_ERROR_CHR 7 |
36 |
#define FTDI_SET_LATENCY 9 |
37 |
#define FTDI_GET_LATENCY 10 |
38 |
|
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#define DeviceOutVendor ((USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8) |
40 |
#define DeviceInVendor ((USB_DIR_IN |USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8) |
41 |
|
42 |
/* RESET */
|
43 |
|
44 |
#define FTDI_RESET_SIO 0 |
45 |
#define FTDI_RESET_RX 1 |
46 |
#define FTDI_RESET_TX 2 |
47 |
|
48 |
/* SET_MDM_CTRL */
|
49 |
|
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#define FTDI_DTR 1 |
51 |
#define FTDI_SET_DTR (FTDI_DTR << 8) |
52 |
#define FTDI_RTS 2 |
53 |
#define FTDI_SET_RTS (FTDI_RTS << 8) |
54 |
|
55 |
/* SET_FLOW_CTRL */
|
56 |
|
57 |
#define FTDI_RTS_CTS_HS 1 |
58 |
#define FTDI_DTR_DSR_HS 2 |
59 |
#define FTDI_XON_XOFF_HS 4 |
60 |
|
61 |
/* SET_DATA */
|
62 |
|
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#define FTDI_PARITY (0x7 << 8) |
64 |
#define FTDI_ODD (0x1 << 8) |
65 |
#define FTDI_EVEN (0x2 << 8) |
66 |
#define FTDI_MARK (0x3 << 8) |
67 |
#define FTDI_SPACE (0x4 << 8) |
68 |
|
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#define FTDI_STOP (0x3 << 11) |
70 |
#define FTDI_STOP1 (0x0 << 11) |
71 |
#define FTDI_STOP15 (0x1 << 11) |
72 |
#define FTDI_STOP2 (0x2 << 11) |
73 |
|
74 |
/* GET_MDM_ST */
|
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/* TODO: should be sent every 40ms */
|
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#define FTDI_CTS (1<<4) // CTS line status |
77 |
#define FTDI_DSR (1<<5) // DSR line status |
78 |
#define FTDI_RI (1<<6) // RI line status |
79 |
#define FTDI_RLSD (1<<7) // Receive Line Signal Detect |
80 |
|
81 |
/* Status */
|
82 |
|
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#define FTDI_DR (1<<0) // Data Ready |
84 |
#define FTDI_OE (1<<1) // Overrun Err |
85 |
#define FTDI_PE (1<<2) // Parity Err |
86 |
#define FTDI_FE (1<<3) // Framing Err |
87 |
#define FTDI_BI (1<<4) // Break Interrupt |
88 |
#define FTDI_THRE (1<<5) // Transmitter Holding Register |
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#define FTDI_TEMT (1<<6) // Transmitter Empty |
90 |
#define FTDI_FIFO (1<<7) // Error in FIFO |
91 |
|
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typedef struct { |
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USBDevice dev; |
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uint32_t vendorid; |
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uint32_t productid; |
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uint8_t recv_buf[RECV_BUF]; |
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uint16_t recv_ptr; |
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uint16_t recv_used; |
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uint8_t event_chr; |
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uint8_t error_chr; |
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uint8_t event_trigger; |
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QEMUSerialSetParams params; |
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int latency; /* ms */ |
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CharDriverState *cs; |
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} USBSerialState; |
106 |
|
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static const uint8_t qemu_serial_dev_descriptor[] = { |
108 |
0x12, /* u8 bLength; */ |
109 |
0x01, /* u8 bDescriptorType; Device */ |
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0x00, 0x02, /* u16 bcdUSB; v2.0 */ |
111 |
|
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0x00, /* u8 bDeviceClass; */ |
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0x00, /* u8 bDeviceSubClass; */ |
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0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */ |
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0x08, /* u8 bMaxPacketSize0; 8 Bytes */ |
116 |
|
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/* Vendor and product id are arbitrary. */
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0x03, 0x04, /* u16 idVendor; */ |
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0x00, 0xFF, /* u16 idProduct; */ |
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0x00, 0x04, /* u16 bcdDevice */ |
121 |
|
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0x01, /* u8 iManufacturer; */ |
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0x02, /* u8 iProduct; */ |
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0x03, /* u8 iSerialNumber; */ |
125 |
0x01 /* u8 bNumConfigurations; */ |
126 |
}; |
127 |
|
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static const uint8_t qemu_serial_config_descriptor[] = { |
129 |
|
130 |
/* one configuration */
|
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0x09, /* u8 bLength; */ |
132 |
0x02, /* u8 bDescriptorType; Configuration */ |
133 |
0x20, 0x00, /* u16 wTotalLength; */ |
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0x01, /* u8 bNumInterfaces; (1) */ |
135 |
0x01, /* u8 bConfigurationValue; */ |
136 |
0x00, /* u8 iConfiguration; */ |
137 |
0x80, /* u8 bmAttributes; |
138 |
Bit 7: must be set,
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6: Self-powered,
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5: Remote wakeup,
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4..0: resvd */
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100/2, /* u8 MaxPower; */ |
143 |
|
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/* one interface */
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0x09, /* u8 if_bLength; */ |
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0x04, /* u8 if_bDescriptorType; Interface */ |
147 |
0x00, /* u8 if_bInterfaceNumber; */ |
148 |
0x00, /* u8 if_bAlternateSetting; */ |
149 |
0x02, /* u8 if_bNumEndpoints; */ |
150 |
0xff, /* u8 if_bInterfaceClass; Vendor Specific */ |
151 |
0xff, /* u8 if_bInterfaceSubClass; Vendor Specific */ |
152 |
0xff, /* u8 if_bInterfaceProtocol; Vendor Specific */ |
153 |
0x02, /* u8 if_iInterface; */ |
154 |
|
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/* Bulk-In endpoint */
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0x07, /* u8 ep_bLength; */ |
157 |
0x05, /* u8 ep_bDescriptorType; Endpoint */ |
158 |
0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */ |
159 |
0x02, /* u8 ep_bmAttributes; Bulk */ |
160 |
0x40, 0x00, /* u16 ep_wMaxPacketSize; */ |
161 |
0x00, /* u8 ep_bInterval; */ |
162 |
|
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/* Bulk-Out endpoint */
|
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0x07, /* u8 ep_bLength; */ |
165 |
0x05, /* u8 ep_bDescriptorType; Endpoint */ |
166 |
0x02, /* u8 ep_bEndpointAddress; OUT Endpoint 2 */ |
167 |
0x02, /* u8 ep_bmAttributes; Bulk */ |
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0x40, 0x00, /* u16 ep_wMaxPacketSize; */ |
169 |
0x00 /* u8 ep_bInterval; */ |
170 |
}; |
171 |
|
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static void usb_serial_reset(USBSerialState *s) |
173 |
{ |
174 |
/* TODO: Set flow control to none */
|
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s->event_chr = 0x0d;
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176 |
s->event_trigger = 0;
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177 |
s->recv_ptr = 0;
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s->recv_used = 0;
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/* TODO: purge in char driver */
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} |
181 |
|
182 |
static void usb_serial_handle_reset(USBDevice *dev) |
183 |
{ |
184 |
USBSerialState *s = (USBSerialState *)dev; |
185 |
|
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DPRINTF("Reset\n");
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187 |
|
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usb_serial_reset(s); |
189 |
/* TODO: Reset char device, send BREAK? */
|
190 |
} |
191 |
|
192 |
static uint8_t usb_get_modem_lines(USBSerialState *s)
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{ |
194 |
int flags;
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uint8_t ret; |
196 |
|
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if (qemu_chr_ioctl(s->cs, CHR_IOCTL_SERIAL_GET_TIOCM, &flags) == -ENOTSUP)
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return FTDI_CTS|FTDI_DSR|FTDI_RLSD;
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199 |
|
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ret = 0;
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if (flags & CHR_TIOCM_CTS)
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ret |= FTDI_CTS; |
203 |
if (flags & CHR_TIOCM_DSR)
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ret |= FTDI_DSR; |
205 |
if (flags & CHR_TIOCM_RI)
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ret |= FTDI_RI; |
207 |
if (flags & CHR_TIOCM_CAR)
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ret |= FTDI_RLSD; |
209 |
|
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return ret;
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} |
212 |
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static int usb_serial_handle_control(USBDevice *dev, int request, int value, |
214 |
int index, int length, uint8_t *data) |
215 |
{ |
216 |
USBSerialState *s = (USBSerialState *)dev; |
217 |
int ret = 0; |
218 |
|
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//DPRINTF("got control %x, value %x\n",request, value);
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switch (request) {
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221 |
case DeviceRequest | USB_REQ_GET_STATUS:
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222 |
data[0] = (0 << USB_DEVICE_SELF_POWERED) | |
223 |
(dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP); |
224 |
data[1] = 0x00; |
225 |
ret = 2;
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break;
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227 |
case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
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if (value == USB_DEVICE_REMOTE_WAKEUP) {
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dev->remote_wakeup = 0;
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230 |
} else {
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231 |
goto fail;
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232 |
} |
233 |
ret = 0;
|
234 |
break;
|
235 |
case DeviceOutRequest | USB_REQ_SET_FEATURE:
|
236 |
if (value == USB_DEVICE_REMOTE_WAKEUP) {
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dev->remote_wakeup = 1;
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238 |
} else {
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goto fail;
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240 |
} |
241 |
ret = 0;
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break;
|
243 |
case DeviceOutRequest | USB_REQ_SET_ADDRESS:
|
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dev->addr = value; |
245 |
ret = 0;
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246 |
break;
|
247 |
case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
|
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switch(value >> 8) { |
249 |
case USB_DT_DEVICE:
|
250 |
memcpy(data, qemu_serial_dev_descriptor, |
251 |
sizeof(qemu_serial_dev_descriptor));
|
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data[8] = s->vendorid & 0xff; |
253 |
data[9] = ((s->vendorid) >> 8) & 0xff; |
254 |
data[10] = s->productid & 0xff; |
255 |
data[11] = ((s->productid) >> 8) & 0xff; |
256 |
ret = sizeof(qemu_serial_dev_descriptor);
|
257 |
break;
|
258 |
case USB_DT_CONFIG:
|
259 |
memcpy(data, qemu_serial_config_descriptor, |
260 |
sizeof(qemu_serial_config_descriptor));
|
261 |
ret = sizeof(qemu_serial_config_descriptor);
|
262 |
break;
|
263 |
case USB_DT_STRING:
|
264 |
switch(value & 0xff) { |
265 |
case 0: |
266 |
/* language ids */
|
267 |
data[0] = 4; |
268 |
data[1] = 3; |
269 |
data[2] = 0x09; |
270 |
data[3] = 0x04; |
271 |
ret = 4;
|
272 |
break;
|
273 |
case 1: |
274 |
/* vendor description */
|
275 |
ret = set_usb_string(data, "QEMU " QEMU_VERSION);
|
276 |
break;
|
277 |
case 2: |
278 |
/* product description */
|
279 |
ret = set_usb_string(data, "QEMU USB SERIAL");
|
280 |
break;
|
281 |
case 3: |
282 |
/* serial number */
|
283 |
ret = set_usb_string(data, "1");
|
284 |
break;
|
285 |
default:
|
286 |
goto fail;
|
287 |
} |
288 |
break;
|
289 |
default:
|
290 |
goto fail;
|
291 |
} |
292 |
break;
|
293 |
case DeviceRequest | USB_REQ_GET_CONFIGURATION:
|
294 |
data[0] = 1; |
295 |
ret = 1;
|
296 |
break;
|
297 |
case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
|
298 |
ret = 0;
|
299 |
break;
|
300 |
case DeviceRequest | USB_REQ_GET_INTERFACE:
|
301 |
data[0] = 0; |
302 |
ret = 1;
|
303 |
break;
|
304 |
case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
|
305 |
ret = 0;
|
306 |
break;
|
307 |
case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
|
308 |
ret = 0;
|
309 |
break;
|
310 |
|
311 |
/* Class specific requests. */
|
312 |
case DeviceOutVendor | FTDI_RESET:
|
313 |
switch (value) {
|
314 |
case FTDI_RESET_SIO:
|
315 |
usb_serial_reset(s); |
316 |
break;
|
317 |
case FTDI_RESET_RX:
|
318 |
s->recv_ptr = 0;
|
319 |
s->recv_used = 0;
|
320 |
/* TODO: purge from char device */
|
321 |
break;
|
322 |
case FTDI_RESET_TX:
|
323 |
/* TODO: purge from char device */
|
324 |
break;
|
325 |
} |
326 |
break;
|
327 |
case DeviceOutVendor | FTDI_SET_MDM_CTRL:
|
328 |
{ |
329 |
static int flags; |
330 |
qemu_chr_ioctl(s->cs,CHR_IOCTL_SERIAL_GET_TIOCM, &flags); |
331 |
if (value & FTDI_SET_RTS) {
|
332 |
if (value & FTDI_RTS)
|
333 |
flags |= CHR_TIOCM_RTS; |
334 |
else
|
335 |
flags &= ~CHR_TIOCM_RTS; |
336 |
} |
337 |
if (value & FTDI_SET_DTR) {
|
338 |
if (value & FTDI_DTR)
|
339 |
flags |= CHR_TIOCM_DTR; |
340 |
else
|
341 |
flags &= ~CHR_TIOCM_DTR; |
342 |
} |
343 |
qemu_chr_ioctl(s->cs,CHR_IOCTL_SERIAL_SET_TIOCM, &flags); |
344 |
break;
|
345 |
} |
346 |
case DeviceOutVendor | FTDI_SET_FLOW_CTRL:
|
347 |
/* TODO: ioctl */
|
348 |
break;
|
349 |
case DeviceOutVendor | FTDI_SET_BAUD: {
|
350 |
static const int subdivisors8[8] = { 0, 4, 2, 1, 3, 5, 6, 7 }; |
351 |
int subdivisor8 = subdivisors8[((value & 0xc000) >> 14) |
352 |
| ((index & 1) << 2)]; |
353 |
int divisor = value & 0x3fff; |
354 |
|
355 |
/* chip special cases */
|
356 |
if (divisor == 1 && subdivisor8 == 0) |
357 |
subdivisor8 = 4;
|
358 |
if (divisor == 0 && subdivisor8 == 0) |
359 |
divisor = 1;
|
360 |
|
361 |
s->params.speed = (48000000 / 2) / (8 * divisor + subdivisor8); |
362 |
qemu_chr_ioctl(s->cs, CHR_IOCTL_SERIAL_SET_PARAMS, &s->params); |
363 |
break;
|
364 |
} |
365 |
case DeviceOutVendor | FTDI_SET_DATA:
|
366 |
switch (value & FTDI_PARITY) {
|
367 |
case 0: |
368 |
s->params.parity = 'N';
|
369 |
break;
|
370 |
case FTDI_ODD:
|
371 |
s->params.parity = 'O';
|
372 |
break;
|
373 |
case FTDI_EVEN:
|
374 |
s->params.parity = 'E';
|
375 |
break;
|
376 |
default:
|
377 |
DPRINTF("unsupported parity %d\n", value & FTDI_PARITY);
|
378 |
goto fail;
|
379 |
} |
380 |
switch (value & FTDI_STOP) {
|
381 |
case FTDI_STOP1:
|
382 |
s->params.stop_bits = 1;
|
383 |
break;
|
384 |
case FTDI_STOP2:
|
385 |
s->params.stop_bits = 2;
|
386 |
break;
|
387 |
default:
|
388 |
DPRINTF("unsupported stop bits %d\n", value & FTDI_STOP);
|
389 |
goto fail;
|
390 |
} |
391 |
qemu_chr_ioctl(s->cs, CHR_IOCTL_SERIAL_SET_PARAMS, &s->params); |
392 |
/* TODO: TX ON/OFF */
|
393 |
break;
|
394 |
case DeviceInVendor | FTDI_GET_MDM_ST:
|
395 |
data[0] = usb_get_modem_lines(s) | 1; |
396 |
data[1] = 0; |
397 |
ret = 2;
|
398 |
break;
|
399 |
case DeviceOutVendor | FTDI_SET_EVENT_CHR:
|
400 |
/* TODO: handle it */
|
401 |
s->event_chr = value; |
402 |
break;
|
403 |
case DeviceOutVendor | FTDI_SET_ERROR_CHR:
|
404 |
/* TODO: handle it */
|
405 |
s->error_chr = value; |
406 |
break;
|
407 |
case DeviceOutVendor | FTDI_SET_LATENCY:
|
408 |
s->latency = value; |
409 |
break;
|
410 |
case DeviceInVendor | FTDI_GET_LATENCY:
|
411 |
data[0] = s->latency;
|
412 |
ret = 1;
|
413 |
break;
|
414 |
default:
|
415 |
fail:
|
416 |
DPRINTF("got unsupported/bogus control %x, value %x\n", request, value);
|
417 |
ret = USB_RET_STALL; |
418 |
break;
|
419 |
} |
420 |
return ret;
|
421 |
} |
422 |
|
423 |
static int usb_serial_handle_data(USBDevice *dev, USBPacket *p) |
424 |
{ |
425 |
USBSerialState *s = (USBSerialState *)dev; |
426 |
int ret = 0; |
427 |
uint8_t devep = p->devep; |
428 |
uint8_t *data = p->data; |
429 |
int len = p->len;
|
430 |
int first_len;
|
431 |
|
432 |
switch (p->pid) {
|
433 |
case USB_TOKEN_OUT:
|
434 |
if (devep != 2) |
435 |
goto fail;
|
436 |
qemu_chr_write(s->cs, data, len); |
437 |
break;
|
438 |
|
439 |
case USB_TOKEN_IN:
|
440 |
if (devep != 1) |
441 |
goto fail;
|
442 |
first_len = RECV_BUF - s->recv_ptr; |
443 |
if (len <= 2) { |
444 |
ret = USB_RET_NAK; |
445 |
break;
|
446 |
} |
447 |
*data++ = usb_get_modem_lines(s) | 1;
|
448 |
/* We do not have the uart details */
|
449 |
/* handle serial break */
|
450 |
if (s->event_trigger && s->event_trigger & FTDI_BI) {
|
451 |
s->event_trigger &= ~FTDI_BI; |
452 |
*data++ = FTDI_BI; |
453 |
ret = 2;
|
454 |
break;
|
455 |
} else {
|
456 |
*data++ = 0;
|
457 |
} |
458 |
len -= 2;
|
459 |
if (len > s->recv_used)
|
460 |
len = s->recv_used; |
461 |
if (!len) {
|
462 |
ret = USB_RET_NAK; |
463 |
break;
|
464 |
} |
465 |
if (first_len > len)
|
466 |
first_len = len; |
467 |
memcpy(data, s->recv_buf + s->recv_ptr, first_len); |
468 |
if (len > first_len)
|
469 |
memcpy(data + first_len, s->recv_buf, len - first_len); |
470 |
s->recv_used -= len; |
471 |
s->recv_ptr = (s->recv_ptr + len) % RECV_BUF; |
472 |
ret = len + 2;
|
473 |
break;
|
474 |
|
475 |
default:
|
476 |
DPRINTF("Bad token\n");
|
477 |
fail:
|
478 |
ret = USB_RET_STALL; |
479 |
break;
|
480 |
} |
481 |
|
482 |
return ret;
|
483 |
} |
484 |
|
485 |
static void usb_serial_handle_destroy(USBDevice *dev) |
486 |
{ |
487 |
USBSerialState *s = (USBSerialState *)dev; |
488 |
|
489 |
qemu_chr_close(s->cs); |
490 |
} |
491 |
|
492 |
static int usb_serial_can_read(void *opaque) |
493 |
{ |
494 |
USBSerialState *s = opaque; |
495 |
return RECV_BUF - s->recv_used;
|
496 |
} |
497 |
|
498 |
static void usb_serial_read(void *opaque, const uint8_t *buf, int size) |
499 |
{ |
500 |
USBSerialState *s = opaque; |
501 |
int first_size, start;
|
502 |
|
503 |
/* room in the buffer? */
|
504 |
if (size > (RECV_BUF - s->recv_used))
|
505 |
size = RECV_BUF - s->recv_used; |
506 |
|
507 |
start = s->recv_ptr + s->recv_used; |
508 |
if (start < RECV_BUF) {
|
509 |
/* copy data to end of buffer */
|
510 |
first_size = RECV_BUF - start; |
511 |
if (first_size > size)
|
512 |
first_size = size; |
513 |
|
514 |
memcpy(s->recv_buf + start, buf, first_size); |
515 |
|
516 |
/* wrap around to front if needed */
|
517 |
if (size > first_size)
|
518 |
memcpy(s->recv_buf, buf + first_size, size - first_size); |
519 |
} else {
|
520 |
start -= RECV_BUF; |
521 |
memcpy(s->recv_buf + start, buf, size); |
522 |
} |
523 |
s->recv_used += size; |
524 |
} |
525 |
|
526 |
static void usb_serial_event(void *opaque, int event) |
527 |
{ |
528 |
USBSerialState *s = opaque; |
529 |
|
530 |
switch (event) {
|
531 |
case CHR_EVENT_BREAK:
|
532 |
s->event_trigger |= FTDI_BI; |
533 |
break;
|
534 |
case CHR_EVENT_FOCUS:
|
535 |
break;
|
536 |
case CHR_EVENT_OPENED:
|
537 |
usb_serial_reset(s); |
538 |
/* TODO: Reset USB port */
|
539 |
break;
|
540 |
} |
541 |
} |
542 |
|
543 |
static int usb_serial_initfn(USBDevice *dev) |
544 |
{ |
545 |
USBSerialState *s = DO_UPCAST(USBSerialState, dev, dev); |
546 |
s->dev.speed = USB_SPEED_FULL; |
547 |
|
548 |
qemu_chr_add_handlers(s->cs, usb_serial_can_read, usb_serial_read, |
549 |
usb_serial_event, s); |
550 |
usb_serial_handle_reset(dev); |
551 |
return 0; |
552 |
} |
553 |
|
554 |
static USBDevice *usb_serial_init(const char *filename) |
555 |
{ |
556 |
USBDevice *dev; |
557 |
CharDriverState *cdrv; |
558 |
uint32_t vendorid = 0, productid = 0; |
559 |
char label[32]; |
560 |
static int index; |
561 |
|
562 |
while (*filename && *filename != ':') { |
563 |
const char *p; |
564 |
char *e;
|
565 |
if (strstart(filename, "vendorid=", &p)) { |
566 |
vendorid = strtol(p, &e, 16);
|
567 |
if (e == p || (*e && *e != ',' && *e != ':')) { |
568 |
error_report("bogus vendor ID %s", p);
|
569 |
return NULL; |
570 |
} |
571 |
filename = e; |
572 |
} else if (strstart(filename, "productid=", &p)) { |
573 |
productid = strtol(p, &e, 16);
|
574 |
if (e == p || (*e && *e != ',' && *e != ':')) { |
575 |
error_report("bogus product ID %s", p);
|
576 |
return NULL; |
577 |
} |
578 |
filename = e; |
579 |
} else {
|
580 |
error_report("unrecognized serial USB option %s", filename);
|
581 |
return NULL; |
582 |
} |
583 |
while(*filename == ',') |
584 |
filename++; |
585 |
} |
586 |
if (!*filename) {
|
587 |
error_report("character device specification needed");
|
588 |
return NULL; |
589 |
} |
590 |
filename++; |
591 |
|
592 |
snprintf(label, sizeof(label), "usbserial%d", index++); |
593 |
cdrv = qemu_chr_open(label, filename, NULL);
|
594 |
if (!cdrv)
|
595 |
return NULL; |
596 |
|
597 |
dev = usb_create(NULL /* FIXME */, "usb-serial"); |
598 |
if (!dev) {
|
599 |
return NULL; |
600 |
} |
601 |
qdev_prop_set_chr(&dev->qdev, "chardev", cdrv);
|
602 |
if (vendorid)
|
603 |
qdev_prop_set_uint16(&dev->qdev, "vendorid", vendorid);
|
604 |
if (productid)
|
605 |
qdev_prop_set_uint16(&dev->qdev, "productid", productid);
|
606 |
qdev_init_nofail(&dev->qdev); |
607 |
|
608 |
return dev;
|
609 |
} |
610 |
|
611 |
static USBDevice *usb_braille_init(const char *unused) |
612 |
{ |
613 |
USBDevice *dev; |
614 |
CharDriverState *cdrv; |
615 |
|
616 |
cdrv = qemu_chr_open("braille", "braille", NULL); |
617 |
if (!cdrv)
|
618 |
return NULL; |
619 |
|
620 |
dev = usb_create(NULL /* FIXME */, "usb-braille"); |
621 |
qdev_prop_set_chr(&dev->qdev, "chardev", cdrv);
|
622 |
qdev_init_nofail(&dev->qdev); |
623 |
|
624 |
return dev;
|
625 |
} |
626 |
|
627 |
static struct USBDeviceInfo serial_info = { |
628 |
.product_desc = "QEMU USB Serial",
|
629 |
.qdev.name = "usb-serial",
|
630 |
.qdev.size = sizeof(USBSerialState),
|
631 |
.init = usb_serial_initfn, |
632 |
.handle_packet = usb_generic_handle_packet, |
633 |
.handle_reset = usb_serial_handle_reset, |
634 |
.handle_control = usb_serial_handle_control, |
635 |
.handle_data = usb_serial_handle_data, |
636 |
.handle_destroy = usb_serial_handle_destroy, |
637 |
.usbdevice_name = "serial",
|
638 |
.usbdevice_init = usb_serial_init, |
639 |
.qdev.props = (Property[]) { |
640 |
DEFINE_PROP_CHR("chardev", USBSerialState, cs),
|
641 |
DEFINE_PROP_HEX32("vendorid", USBSerialState, vendorid, 0x0403), |
642 |
DEFINE_PROP_HEX32("productid", USBSerialState, productid, 0x6001), |
643 |
DEFINE_PROP_END_OF_LIST(), |
644 |
}, |
645 |
}; |
646 |
|
647 |
static struct USBDeviceInfo braille_info = { |
648 |
.product_desc = "QEMU USB Braille",
|
649 |
.qdev.name = "usb-braille",
|
650 |
.qdev.size = sizeof(USBSerialState),
|
651 |
.init = usb_serial_initfn, |
652 |
.handle_packet = usb_generic_handle_packet, |
653 |
.handle_reset = usb_serial_handle_reset, |
654 |
.handle_control = usb_serial_handle_control, |
655 |
.handle_data = usb_serial_handle_data, |
656 |
.handle_destroy = usb_serial_handle_destroy, |
657 |
.usbdevice_name = "braille",
|
658 |
.usbdevice_init = usb_braille_init, |
659 |
.qdev.props = (Property[]) { |
660 |
DEFINE_PROP_CHR("chardev", USBSerialState, cs),
|
661 |
DEFINE_PROP_HEX32("vendorid", USBSerialState, vendorid, 0x0403), |
662 |
DEFINE_PROP_HEX32("productid", USBSerialState, productid, 0xfe72), |
663 |
DEFINE_PROP_END_OF_LIST(), |
664 |
}, |
665 |
}; |
666 |
|
667 |
static void usb_serial_register_devices(void) |
668 |
{ |
669 |
usb_qdev_register(&serial_info); |
670 |
usb_qdev_register(&braille_info); |
671 |
} |
672 |
device_init(usb_serial_register_devices) |